23478829 has 4 divisors (see below), whose sum is σ = 25613280. Its totient is φ = 21344380.

The previous prime is 23478827. The next prime is 23478857. The reversal of 23478829 is 92887432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23478829 - 2¹ = 23478827 is a prime.

It is a super-2 number, since 2×23478829² = 1102510822422482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067209 + ... + 1067230.

It is an arithmetic number, because the mean of its divisors is an integer number (6403320).

Almost surely, 2^23478829 is an apocalyptic number.

It is an amenable number.

23478829 is a deficient number, since it is larger than the sum of its proper divisors (2134451).

23478829 is a wasteful number, since it uses less digits than its factorization.

23478829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134450.

The product of its digits is 193536, while the sum is 43.

The square root of 23478829 is about 4845.4957434715. The cubic root of 23478829 is about 286.3466748209.

The spelling of 23478829 in words is "twenty-three million, four hundred seventy-eight thousand, eight hundred twenty-nine".